stunnel-users

3 participants
3308 discussions

15 Jun '11

Hi everyone, I'm happily using stunnel for almost 8 years now :) I recently began to use verify=3 and i'm quite disappointed that a succesful access does not appear in the logs unless they are set to quite verbose. To be precise, i think it makes sense, for paranoid setups to keep track of successful accesses to. I'd suggest logging remote end's DN for log level =3 or 4. As there were some improvements lately in verify=3, i hope you could integrate this too. Thanks

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STUNNEL 4.36 Windows - https - 404 Error
by Narasimhan Rangaswamy 13 Jun '11

13 Jun '11

Whenever I connect to "http://localhost:20010" I get the proper https repsonse from server "https://sslwebsite.xxxx.com". But the moment I add, "https://localhost:20010/someprogrampath", I get "404 File Not found error". But if I access, " https://sslwebsite.xxxx.com/someprogrampath" directly it WORKS. Any ideas? I use the following configuration. =================================== ; Authentication stuff verify = 2 ; Don't forget to c_rehash CApath ;CApath = c:\certs ; It's often easier to use CAfile CAfile = c:\certs\MetavanteTest_client.pem ; Don't forget to c_rehash CRLpath ;CRLpath = crls ; Alternatively you can use CRLfile ;CRLfile = crls.pem ; Some debugging stuff useful for troubleshooting debug = 7 output = c:\stunnel.log ; Use it for client mode client = yes ; Service-level configuration ;[pop3s] ;accept = 995 ;connect = 110 ;[imaps] ;accept = 993 ;connect = 143 ;[ssmtp] ;accept = 465 ;connect = 25 [https] cert = c:\certs\xxxx_client.pem accept = 20010 connect = sswebsite.xxxx.com:443 ;TIMEOUTclose = 0 ; vim:ft=dosini sslVersion = all =========================================

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Re: [stunnel-users] How to make stunnel autorun on startup?
by Jack Liu 11 Jun '11

11 Jun '11

You got it! Thank you so much! Mr. Jack Subject: Re: [stunnel-users] How to make stunnel autorun on startup? To: jackliu92(a)hotmail.com From: josealf(a)rocketmail.com Date: Sat, 11 Jun 2011 04:17:05 +0000 Most likely it is in /usr/bin Update the script From: Jack Liu <jackliu92(a)hotmail.com> Date: Fri, 10 Jun 2011 21:24:22 -0600 To: <josealf(a)rocketmail.com>; <stunnel-users(a)stunnel.org> Subject: RE: [stunnel-users] How to make stunnel autorun on startup? Sorry, I just hit reply and forgot to add stunnel-users(a)stunnel.org I have the script, however, my system is centos and the following error occur when start stunnel service # service stunnel start Starting stunnel: /etc/init.d/stunnel: line 77: /usr/sbin/stunnel: No such file or directory Line 77 is: #Path to executable SEXE=/usr/sbin/stunnel I have no idea where my stunnel executable is. Thank you! Mr. Jack > Subject: Re: [stunnel-users] How to make stunnel autorun on startup? > To: jackliu92(a)hotmail.com; stunnel-users-bounces(a)stunnel.org; stunnel-users(a)stunnel.org > From: josealf(a)rocketmail.com > Date: Sat, 11 Jun 2011 02:38:26 +0000 > > Jack, > > On which platform? > On Red Hat and derived distributions, You copy the stunnel startup script to the /etc/init.d directory and set it to run at startup with the chkconfig command. > > Assuming your stunnel startup script is stunnel, you do > > /sbin/chkconfig stunnel on > > You can find an init script in the stunnel source package. > > Regards, > > Jose > > -----Original Message----- > From: Jack Liu <jackliu92(a)hotmail.com> > Sender: stunnel-users-bounces(a)stunnel.org > Date: Fri, 10 Jun 2011 20:06:48 > To: <stunnel-users(a)stunnel.org> > Subject: [stunnel-users] How to make stunnel autorun on startup? > >_______________________________________________ > stunnel-users mailing list > stunnel-users(a)stunnel.org > http://stunnel.mirt.net/mailman/listinfo/stunnel-users > > >

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How to make stunnel autorun on startup?
by Jack Liu 11 Jun '11

11 Jun '11

How do you make stunnel autorun on startup? Mr. Jack

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Cant get Stunnel to work (SEARCHED GOOGLE FOR HOURS)
by Matt Labrasseur 09 Jun '11

09 Jun '11

root@ubuntu:/usr/local/etc/stunnel# /usr/local/sbin/stunnel 2011.06.08 23:54:48 LOG7[23242:3077367488]: Snagged 64 random bytes from /root/.rnd 2011.06.08 23:54:48 LOG7[23242:3077367488]: Wrote 1024 new random bytes to /root/.rnd 2011.06.08 23:54:48 LOG7[23242:3077367488]: RAND_status claims sufficient entropy for the PRNG 2011.06.08 23:54:48 LOG6[23242:3077367488]: PRNG seeded successfully Illegal instruction i cannot get it to start i tried to make a new stunnel.pem file root@ubuntu:/usr/local/etc/stunnel# openssl req -new -x509 -days 365 -nodes -out stunnel.pem -keyout stunnel.pem Generating a 1024 bit RSA private key ....++++++ ....................++++++ writing new private key to 'stunnel.pem' Illegal instruction helpppp Matthew Leb*****, A+ Linux + Network+ MCP MCITP MCTS Unified Messaging Architect TheServerGroup.com Toll Free 1-877-777-6514<https://mail.theservergroup.com/owa/?ae=PreFormAction&a=Reply&t=IPM.Note&id…> Ext 106

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stunnel via xinetd and rsync problem
by campbellmc 06 Jun '11

06 Jun '11

Hi, I am having problems getting stunnel to tunnel rsync connections when stunnel is called from xinetd. I can get it to work fine when stunnel is run as a daemon, but when I try rsyncing from the client via xinetd, rsync complains: [root@lambeth ~]# rsync -av --port 2873 192.168.10.130::sanbackup . rsync: server sent "2011.06.06 06:13:56 LOG7[18335:3086816976]: Snagged 64 random bytes from /dev/urandom" rather than greeting rsync error: error starting client-server protocol (code 5) at main.c(1296) [receiver=2.6.8] [root@lambeth ~]# It appears that rsync on the client is getting the output of /dev/urandom, and the connection is abandoned. Any suggestions on how to avoid this? stunnel.conf (client): client = yes pid = /var/run/stunnel.pid connect = 192.168.10.240:2873 debug = 7 output = /var/log/stunnel.log accept = 2873 cert = /etc/stunnel/lambeth.pem xinetd config on client for rsync [ssync] service ssync { disable = no port = 2873 socket_type = stream wait = no user = root server = /usr/sbin/stunnel server_args = /etc/stunnel/stunnel-rsync-client.conf log_on_success += USERID log_on_failure += USERID } Any help welcomed! Regards, -Cam

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Help with stunnel.config
by Quad Tran Inc quadtran 01 Jun '11

01 Jun '11

Hello, I am currently using your older product, SSLPROXY 1.1.2, and it is working fine, but I was looking to move to your STUNNEL 4.36. I cannot get the product to work, but that is probably because I have got the 'stunnel.conf' set up improperly. Is it at all possible to send me what the config file should look like if I supplied you with the parameters that I am using successfully with your older product. Current parameters on first session: sslproxy -L192.168.1.1 -l1024 -R192.168.1.2 -r24 -s -c quadCert.pem Current parameters on second session: sslproxy -L192.168.1.1 -l1024 -R192.168.0.2 -r23 -s -c quadCert.pem I would appreciate any help you can give me, and thank you for your time in this matter. Regards, Joe Lisi Quad-Tran of Michigan, Inc.

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Slow connection to remote stunnel
by Thorsten Kampe 31 May '11

31 May '11

Hi, I'm using stunnel 4.36 on Linux to secure Samba SWAT. When I connect directly to the remot stunnel port with my browser on Windows 7 (https://swat-server:stunnel-port), I get a long delay after entering my credentials (about 60 seconds or so). This seems to be known issue (for instance see "You will be prompted for the Linux root user username and password. There will be a delay of about 60 to 75 seconds with each login."[1].) I did a Wireshark trace and it seems that the server simply does not respond during that time. But when I connect to the local stunnel client (http://localhost:stunnel-port), the SWAT page displays immediately. Is that "normal". How can I get the same speed without a stunnel client? Thorsten [1] <http://www.linuxhomenetworking.com/wiki/index.php/Quick_HOWTO_: _Ch10_:_Windows,_Linux,_and_Samba#Test_The_Secure_SWAT_Login>

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stunnel cannot exec SWAT
by Thorsten Kampe 28 May '11

28 May '11

Hi, I'm successfully securing Samba SWAT on Linux with stunnel 4.36. The connection goes like this: browser -> http://localhost:901 (stunnel) -> remote:50901 (xinetd) -> stunnel -> remote:901 (xinetd) -> SWAT. Now I want to remove the xinetd swat file and have stunnel directly call swat: browser -> http://localhost:901 (stunnel) -> remote:50901 (xinetd) -> stunnel -> SWAT I do this by commenting out "connect" and setting exec and execargs (as documented in stunnel's man page): #connect = 901 exec = /usr/sbin/swat execargs = swat Now I get a "Connection closed by remote server" in my browser. The log shows this: [xinetd] START: swat-ssl pid=1026 from=192.168.0.253 [stunnel] Reading configuration from file /etc/stunnel/swat.xconf [stunnel] Could not load DH parameters from /etc/stunnel/stunnel.pem [stunnel] Configuration successful [stunnel] No limit detected for the number of clients [stunnel] stunnel 4.36 on i686-pc-linux-gnu with OpenSSL 1.0.0d 8 Feb 2011 [stunnel] Threading:PTHREAD SSL:ENGINE Auth:LIBWRAP Sockets:POLL, IPv6 [stunnel] Service stunnel accepted connection from 192.168.0.253:60418 [stunnel] SSL accepted: new session negotiated [stunnel] Negotiated ciphers: ECDHE-RSA-AES256-SHA SSLv3 Kx=ECDH Au=RSA Enc=AES(256) Mac=SHA1 [stunnel] connect: Operation now in progress (115) [stunnel] Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket [stunnel] pid=1026 duration=0(sec) [xinetd] EXIT: swat-ssl status=0 pid=1026 duration=0(sec) The successful connection (when xinetd calls swat) looks like this: [xinetd] START: swat-ssl pid=5076 from=192.168.0.253 [everything as above] [stunnel] connect_blocking: connecting 127.0.0.1:901 [xinetd] START: swat pid=5085 from=127.0.0.1 [stunnel] connect_blocking: connected 127.0.0.1:901 [stunnel] Service stunnel connected remote server from 127.0.0.1:47098 [stunnel] SSL_shutdown successfully sent close_notify [stunnel] Connection closed: 288 bytes sent to SSL, 512 bytes sent to socket [xinetd] EXIT: swat status=0 pid=5085 duration=0(sec) [xinetd] EXIT: swat-ssl status=0 pid=5076 duration=0(sec) The only difference I can see is the "connect" in the problem case versus the "connect_blocking" in the success case. Who can shed some light? Thorsten

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stunnel doing client cert authentication?
by Johann Smith 24 May '11

24 May '11

Hi, I have stunnel running as an https server. Can stunnel handle/validate client certificates in this mode? How are authentication details forwarded to the http backend, by additional headers? Thank you! Johann

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